Full Comparison: Agile vs Scrum vs Waterfall vs Kanban.
When to Use Agile. The line between when to use Agile versus when to use Scrum is blurry. Scrum is one framework in the Agile process, so they both have a lot in common. A good place to start is to first understand if you should use Agile in general.

Agile Vs Scrum: Know the Difference.
In Scrum, collaboration is achieved in daily stand up meeting with a fixed role assigned to scrum master, product owner, and team members. Agile can require l ots of up-front development process and organizational change. Not too many changes needed while implementing scrum process.

Kanban vs Scrum vs Agile.
methods and, while is a part of SCRUM, Agile is NOT the same as SCRUM. Matthias Marschall over at Agile Web Operations couldnt put it better: Asking for the differences between Scrum vs Agile is like. Kanban vs Scrum vs Agile AgileAble says.: